Revert 95703 - Disabled an extension test that was failing across all platforms.

extensions.ExtensionsTest.testSetExtensionStates

BUG=91764
TEST=Run above Tests

Review URL: http://codereview.chromium.org/7572045

TBR=pucchakayala@chromium.org
Review URL: http://codereview.chromium.org/7550054

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95707 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/functional/PYAUTO_TESTS

@@ -84,8 +84,6 @@
       # crbug.com/88128
       '-browsing_data.BrowsingDataTest.testClearHistoryAndDownloads',
       '-browsing_data.BrowsingDataTest.testClearingAccuracy',
-      # crbug.com/91764
-      '-extensions.ExtensionsTest.testSetExtensionStates',
       # Turkish I problem. crbug.com/60638
       '-find_in_page.FindMatchTests.testLocalizationAndCaseOrder',
       # crbug.com/89279